There is no question that the US has remained an energy giant in production terms throughout its history, but its role as a giant energy consumer has outpaced even the capacity of its prodigious resource base to serve industry and consumer demand.

Roughly 14% of US crude oil comes from Saudi Arabia with substantial amounts also coming from Venezuela, Nigeria and Mexico – the largest single importer is Canada, which provides the US with close to a third of its crude oil supply. Keep reading →